Ryûsei Yokohama was born on 16 September 1996 in Kanagawa Prefecture. He is an actor, known for Jûden Sentai Kyôryûjâ tai Gôbasutâzu: Kyôryû Daisakusen! Saraba Eien no Tomo yo (2014), Ressha Sentai Tokkyûjâ (2014) and Shuriken Sentai Ninninja tai Ressha Sentai Tokkyûjâ Za Mûbî Ninja In Wandârando (2016).